Ultra Flo Steel Pipe

Armtec Ultra Flo is a storm sewer pipe with a unique external rib corrugation that provides a significant improvement in hydraulic performance over traditional corrugated steel pipe, reducing the Manning’s value to 0.013. 

Product Features

• Fast installation – lightweight and long lengths with fewer joints
• Efficient shipping for remote locations – pieces can be nested
• Lowest installed cost compared to other large diameter storm sewer materials 
• Couplers provide mechanical pull-apart resistance – critical in soft soils
• Variety of materials to match design service life to material service life

Typical Applications

• Municipal storm sewers, especially in large diameter in long runs
• Highway median drainage
• Industrial storm sewers
• Large diameter culvert slip-lines
• Stormwater detention tanks

Specifications

Pipe Size:

• Round Range – 450, 525, 600, 750, 900, 1050, 1200, 1350, 1500, 1650, 1800, 2000, 2200, 2400 mm
• Pipe Arch – from 500 mm span x 410 mm rise to 1,850 mm span x 1,400 mm rise.
• Length – up to 10 m (max)
• Corrugation Wall Profile:
• Corrugation – 19 mm x 19 mm x 190 mm
• Wall thickness – 1.6 mm to 2.8 mm  

Couplers:

• Conventional couplers available
• H500 Hugger Band Couplers recommended for storm sewer applications  

Relevant Standards

Canadian Standards Association (CSA) G401